Zamagetsivalavuimakhala ndi magawo awiri, gawo lamagetsi lamagetsi ndi gawovalavu.Thevalavumphamvu yosinthira imachokera ku choyatsira magetsi.Chifukwa magetsivalavundiyosavuta kugwiritsa ntchito, imatha kugwiritsidwa ntchito ndi magetsi, poyerekeza ndi kuchuluka kwa kuwongolera basimavavupoyerekeza ndi njira zina zoyendetsera galimoto.Mfundo ntchito magetsivalavundi kuti galimoto kutulutsa zoyenda liniya ndi ang'ono kasinthasintha zoyenda pansi zochita za chizindikiro magetsi.

Zamagetsivalavumakamaka ali awiri lophimba mtundu ndi lamulo mtundu malinga ndi actuator okonzeka.Magetsi osinthikavalavuimagwiritsidwa ntchito potsegula ndi kutseka payipi yogwira ntchito, ndipo ntchito yayikulu ndikudula kapena kuyatsa sing'anga yamapaipi.The regulating magetsivalavuakhoza kuvomereza chizindikiro kuchokera ku dongosolo lolamulira, ndikusintha kutsegula kwavalavukuti akwaniritse cholinga chowongolera kuyenda ndi kuthamanga kwa sing'anga yamapaipi.